20921457596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1009}}^1\times {\mathrm{1409}}^1$

素因数の和:2718

約数の個数: 48

約数和(自身を含む): 39635551200

約数和(自身を除く): 18714093604

約数列:

[1, 2, 4, 13, 26, 52, 283, 566, 1009, 1132, 1409, 2018, 2818, 3679, 4036, 5636, 7358, 13117, 14716, 18317, 26234, 36634, 52468, 73268, 285547, 398747, 571094, 797494, 1142188, 1421681, 1594988, 2843362, 3712111, 5183711, 5686724, 7424222, 10367422, 14848444, 18481853, 20734844, 36963706, 73927412, 402335723, 804671446, 1609342892, 5230364399, 10460728798, 20921457596]

約数ペア:

[(1, 20921457596), (2, 10460728798), (4, 5230364399), (13, 1609342892), (26, 804671446), (52, 402335723), (283, 73927412), (566, 36963706), (1009, 20734844), (1132, 18481853), (1409, 14848444), (2018, 10367422), (2818, 7424222), (3679, 5686724), (4036, 5183711), (5636, 3712111), (7358, 2843362), (13117, 1594988), (14716, 1421681), (18317, 1142188), (26234, 797494), (36634, 571094), (52468, 398747), (73268, 285547)]